| --- Common Irregular Verb Forms |
|---|
| Present of indicative "-go" ending. | Ref. :-go form |
| Past Definite "-je" ending. | Ref. :-je form |
| Present of indicative "-oy" ending. | Ref. :-oy form |
| Present of indicative "-zco" ending. | Ref. :-zco form |
| Past Definite built with a modified stem | Ref. :anduve, etc... |
| Future of Indicative built with a modified infinitive form | Ref. :habré, etc |
| Conditional Present built from a modified infinitive form | Ref. :habría, etc... |